Calculator case



FIG. 1 is a perspective view as seen from the top, front and left side of the calculator case;

FIG. 2 is a perspective view as seen from the top, front and left side of the calculator case with top cover removed;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a top plan view thereof with top cover removed; and,

FIG. 9 is a bottom plan view.

The broken line showing of adding paper in FIG. 1 is environmental only and forms no part of the claimed design. 

The ornamental design for a calculator case, as shown and described. 